Here’s what’s going on with my Vue. It’s a 2008 Green Line hybrid. The alternator charges both the 12 volt system and the 36 volt hybrid system. It’s a “mild hybrid” system in that the hybrid just gives a boost to the gasoline engine. I’m having an intermittent issue with the battery light coming o…

3276 volts? Did your friend borrow this fancy scanner from you local power utility? I’ve never heard of any automotive scanner measuring anything that high.

I think that is a software error or mismatch. The scan tool just displays information from the vehicles computer, it doesn’t measure the hybrid voltage.

I know little to nothing about hybrids, but it seems to me that the module is receiving false information from a bad sensor or circuit. Find what sends that bad signal and you may find a solution.

You stated that the trouble appears after driving for a bit so it seems to me that the problem may be temperature related as things have had time to warm up after a cold start. Looking at the strange number the tester showed I tend to agree with @Nevada_545 thinking there is a possible error in the …

2008 Saturn Vue Green Line - Detailed overview of a charger issue

Maintenance/Repairs

davepsinbox_157004 January 20, 2021, 2:01am 3

Just a guess but I suspect your friend had his Voltage meter set for the wrong range and the real number is 32.769 Volts. You need to find a shop that knows hybrids and get a proper diagnosis.

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2008 Saturn Vue Green Line - Detailed overview of a charger issue

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